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sound/arm/pxa2xx-pcm.h
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/* * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip * * Author: Nicolas Pitre * Created: Nov 30, 2004 * Copyright: MontaVista Software, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ |
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#include <mach/dma.h> |
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struct pxa2xx_runtime_data { int dma_ch; struct pxa2xx_pcm_dma_params *params; pxa_dma_desc *dma_desc_array; dma_addr_t dma_desc_array_phys; |
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}; |
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struct pxa2xx_pcm_client { struct pxa2xx_pcm_dma_params *playback_params; struct pxa2xx_pcm_dma_params *capture_params; int (*startup)(struct snd_pcm_substream *); void (*shutdown)(struct snd_pcm_substream *); int (*prepare)(struct snd_pcm_substream *); }; |
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extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **); |
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